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Public Tours

The Observatory and gift shop are currently open with restrictions from 10 AM - 4 PM, Friday-Monday and every day by appointment from 8:30 AM to 5:30 PM.

Masks must be worn inside the Observatory. Whether visiting the gift shop or taking a tour, a maximum of four people (or up to six people all from the same household) are allowed at one time. Reservations for a visit at a specific time are encouraged by calling 617-696-0562 or by sending E-mail to dmccasland@bluehill.org. Tickets for tours may be purchased below.


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Weather Summaries

Observatory Receives a “Save America’s Treasures” Grant to Conserve our Historic Climate Books – Your Help is Needed to Raise Matching Funds

Observatory Receives a “Save America’s Treasures” Grant to Conserve our Historic Climate Books – Your Help is Needed to Raise Matching Funds

The non-profit Blue Hill Observatory and Science Center, a National Historic Landmark located atop Great Blue Hill, was recently awarded a “Save America’s Treasures” (SAT) grant by the National Park Service to preserve many of our historic climate resources. In support of this project, the Observatory is seeking $65,000 to fulfill the obligation to raise […]

| October 19, 2021 | Reply
September 2021 Summary – Warmer and Wetter Than Average

September 2021 Summary – Warmer and Wetter Than Average

Blue Hill Observatory September 2021 Summary: September was very warm and wetter than average. The 24-hour adjusted mean temperature for the month of 64.8 deg F was 3.3 degrees warmer than the 1891-2020 130-year average for September, and it was 1.7 degrees warmer than the 1991-2020 30-year average. The month tied with 2018 as the […]

| October 7, 2021 | Reply

Weather Now

What's Happening on the Hill

Tropical Storm Elsa Drenches Southern New England

Tropical Storm Elsa Drenches Southern New England

After making landfall in Florida and moving over much of the East Coast of the United States over the past two days, Tropical Storm Elsa crossed southeastern New England on Friday, July 9, 2021 and passed approximately 40 miles to the southeast of the Observatory at mid-day. Torrential rain arrived early in the morning, and […]

| July 9, 2021 | Reply
Renovations are in progress at Blue Hill Observatory: What you need to know

Renovations are in progress at Blue Hill Observatory: What you need to know

Our building is closed No public access is allowed during construction planned through 2022 Obey posted safety signage. Use caution when around construction areas and summit roadways. Extensive work began June 2021 including much-needed concrete repair, historically appropriate door and window upgrades, lighting upgrades and more. The Observatory and grounds will be closed to the […]

| June 22, 2021 | Reply
Blue Hill Observatory’s last chance to secure MA state funding

Blue Hill Observatory’s last chance to secure MA state funding

We urgently need your help to ensure that our educational programs and the longest climate record in the United State can be continued. Right now, we have a last chance to secure MA State Funding for Blue Hill Observatory. Please take a few minutes to advocate for us and this critical financial support. FOR IMMEDIATE […]

| June 9, 2021 | Reply
Daily Record Snowfall at the Observatory on April 16th

Daily Record Snowfall at the Observatory on April 16th

A strong coastal storm combined with anomalously cold temperatures to bring a record breaking snowfall and more than two inches of much needed liquid precipitation to the summit of Great Blue Hill on April 16th, 2021. Rain began during the night, and snow started mixing with rain just before the 7AM EST observation. By 7:30AM, the […]

| April 16, 2021 | Reply
Observatory Open for Tours Through Late May/Early June 2021

Observatory Open for Tours Through Late May/Early June 2021

We are excited to announce that the major Observatory renovation project, which has been in the planning stages for several years, is underway. Extensive work will start in June that will require that we close to the public until some time in 2022. The building will get a much-needed rehab including concrete repair, historically appropriate […]

| April 3, 2021 | Reply